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REVENUE RECOGNITION (Tables) | 3 Months Ended
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Mar. 31, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | Passenger Revenue
| Three Months Ended March 31, |  |  |  |  |  |
(in millions) | 2025 | 2024 |  |  |  |  |  |  |  |  |
Ticket | $ | 10,068 |  | $ | 9,833 |  |  |  |  |  |  |  |  |  |
Loyalty travel awards | 940 |  | 844 |  |  |  |  |  |  |  |  |  |
Travel-related services | 472 |  | 454 |  |  |  |  |  |  |  |  |  |
Passenger revenue | $ | 11,480 |  | $ | 11,131 |  |  |  |  |  |  |  |  |  |
Other Revenue
| Three Months Ended March 31, |  |  |  |  |  |
(in millions) | 2025 | 2024 |  |  |  |  |  |  |  |  |
Refinery | $ | 1,062 |  | $ | 1,185 |  |  |  |  |  |  |  |  |  |
Loyalty program | 807 |  | 795 |  |  |  |  |  |  |  |  |  |
Ancillary businesses | 189 |  | 180 |  |  |  |  |  |  |  |  |  |
Miscellaneous | 294 |  | 279 |  |  |  |  |  |  |  |  |  |
Other revenue | $ | 2,352 |  | $ | 2,439 |  |  |  |  |  |  |  |  |  |
Schedule of Activity in Loyalty Program Deferred Revenue | The table below presents the activity of the current and noncurrent loyalty program deferred revenue and includes miles earned through travel and miles sold to participating companies, which are primarily through marketing agreements.
Loyalty program activity
(in millions) |  | 2025 | 2024
Balance at January 1 |  | $ | 8,826 |  | $ | 8,420 |
Miles earned |  | 1,152 |  | 1,021 |
Miles redeemed for air travel |  | (940) |  | (844) |
Miles redeemed for non-air travel and other |  | (60) |  | (56) |
Balance at March 31 |  | $ | 8,978 |  | $ | 8,541 |
Schedule of Revenue by Geographic Region | Our passenger and operating revenue by geographic region is summarized in the following tables:
Passenger revenue by geographic region
| Three Months Ended March 31, |  |  |  |  |  |
(in millions) | 2025 | 2024 |  |  |  |  |  |  |  |  |
Domestic | $ | 8,101 |  | $ | 7,983 |  |  |  |  |  |  |  |  |  |
Atlantic | 1,372 |  | 1,305 |  |  |  |  |  |  |  |  |  |
Latin America | 1,334 |  | 1,265 |  |  |  |  |  |  |  |  |  |
Pacific | 673 |  | 578 |  |  |  |  |  |  |  |  |  |
Total | $ | 11,480 |  | $ | 11,131 |  |  |  |  |  |  |  |  |  |
Operating revenue by geographic region
| Three Months Ended March 31, |  |  |  |  |  |
(in millions) | 2025 | 2024 |  |  |  |  |  |  |  |  |
Domestic | $ | 10,055 |  | $ | 10,031 |  |  |  |  |  |  |  |  |  |
Atlantic | 1,646 |  | 1,581 |  |  |  |  |  |  |  |  |  |
Latin America | 1,523 |  | 1,442 |  |  |  |  |  |  |  |  |  |
Pacific | 816 |  | 694 |  |  |  |  |  |  |  |  |  |
Total | $ | 14,040 |  | $ | 13,748 |  |  |  |  |  |  |  |  |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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